5-bit digital attenuator with integral TTL driver in an
PQFN plastic surface mount package. Step size is
0.5 dB providing a 15.5 dB total attenuation range.
This design has been optimized to minimize phase
variation over the attenuation range. MAAD-009170-
000100 is ideally suited for use where accuracy, fast
switching, very low power consumption and low
intermodulation products are required. Typical
applications include dynamic range setting in
precision receiver circuits and other gain/leveling
control circuits.
Pin Configuration
1
Pin No.
1
2
3
4
5
Function
GND
C5
C4
C3
C2
C1
GND
NC
NC
NC
2
GND
RF1
GND
NC
NC
NC
Pin No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Function
NC
NC
NC
NC
NC
NC
NC
NC
NC
GND
RF2
GND
NC
2
Vee
NC
+Vcc
Ordering Information
Part Number
MAAD-009170-000100
MAAD-009170-0001TR
MAAD-009170-0001TB
6
Package
Bulk Packaging
1000 piece reel
Sample Test Board
7
8
9
10
11
12
13
14
15
16
Note: Reference Application Note M513 for reel size
information.
* Restrictions on Hazardous Substances, European Union
Directive 2002/95/EC.
1
1.
2.
The exposed pad centered on the package bottom must be
connected to RF and DC ground. (For PQFN Packages)
Pins 10 & 29 must be isolated
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAD-009170
Digital Attenuator, Constant Phase
15.5 dB, 5-Bit, TTL Driver, DC - 4.0 GHz
Electrical Specifications: T
A
= 25°C, Z
0
= 50, V
CC
= +5.0V, V
EE
= -5.0V
Parameter
Operating Power
3
Reference Insertion Loss
Attenuation Accuracy
4
Relative to Reference Loss State
Phase Accuracy
Relative to Reference Loss State
VSWR
Switching Speed
Ton
Toff
Trise
Tfall
1 dB Compression
5
Input IP3
Input IP2
Vcc
Vee
V
IL
V
IH
lin (Input Leakage Current)
Icc
(Quiescent Supply Current)
ΔIcc
(Additional Supply Current Per
TTL Input Pin)
I
EE
Thermal Resistance
θjc
Rev. V2
Test Conditions
—
—
Any Single Bit
Any Combination of Bits
Any Single Bit
Any Single Bit
Any Combination of Bits
Any Combination of Bits
Full Range
Frequency
—
DC - 2.0 GHz
2.0 - 4.0 GHz
DC - 4.0 GHz
DC - 4.0 GHz
DC - 2.0 GHz
2.0 - 4.0 GHz
DC - 2.0 GHz
2.0 - 4.0 GHz
DC - 4.0 GHz
Units
dBm
dB
dB
Min
—
—
—
Typ
—
—
—
Max
+20
4.7
5.2
±(0.25 +2% of atten setting in dB)
±(0.25 +2% of atten setting in dB)
deg
deg
deg
deg
Ratio
—
—
—
—
—
—
—
—
—
—
±2º
±3º
±4º
±7º
1.9:1
1.3 V Cntl to 90% RF
1.3 V Cntl to 10% RF
10% RF to 90% RF
90% RF to 10% RF
Reference State
Reference State
Two-tone inputs
up to +5 dBm
Two-tone inputs
up to +5 dBm
—
—
LOW-level input voltage
HIGH-level input voltage
Vin = V
CC
or GND
Vcntrl = V
CC
or GND
V
CC
= Max
Vcntrl = V
CC
- 2.1 V
V
EE
min to max
Vin = V
IL
or V
IH
—
—
—
__
__
0.05 GHz
0.5 - 4.0 GHz
0.05-4.0 GHz
0.05-4.0 GHz
—
—
—
—
—
—
ns
ns
ns
ns
dBm
dBm
dBm
dBm
V
V
V
V
uA
uA
—
—
—
—
—
—
—
—
4.5
-8.0
0.0
2.0
-1
—
47
24
23
13
>+26
>+26
+43
+40
+50
+72
5.0
-5.0
0.0
5.0
—
250
—
—
—
—
—
—
—
—
5.5
-4.5
0.8
5.0
1
400
—
mA
—
—
1.5
—
—
mA
°C/W
-1.0
—
-0.2
35
—
—
3. Maximum operating power is specified with the input applied to RF1. If the input is applied to RF2, then maximum operating power is
+16 dBm.
4. This attenuator is guaranteed monotonic.
5. 1 dB Compression was measured up to +26 dBm, which is the absolute maximum rating for this device.
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAD-009170
Digital Attenuator, Constant Phase
15.5 dB, 5-Bit, TTL Driver, DC - 4.0 GHz
Absolute Maximum Ratings
6,7
Parameter
Max. Input Power
8
DC - 4.0 GHz
V
CC
V
EE
V
CC
- V
EE
Vin
9
Operating Temperature
Storage Temperature
6.
7.
8.
9.
Rev. V2
Recommended PCB Configuration
10
Absolute Maximum
+26 dBm
-0.5V ≤ V
CC
≤ +7.0V
-8.5V ≤ V
EE
≤ +0.5V
-0.5V ≤ V
CC
- V
EE
≤ 14.5V
-0.5V ≤ Vin ≤ V
CC
+ 0.5V
-40ºC to +85ºC
-65ºC to +125ºC
Exceeding any one or combination of these limits may cause
permanent damage to this device.
M/A-COM does not recommend sustained operation near
these survivability limits.
The maximum operating power is specified with the input
applied to RF1. If the input is applied to RF2, then maximum
operating power is +22 dBm
Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
10. Application Note S2083 is available on line at
www.macom.com
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
Truth Table (Digital Attenuator)
C5
0
0
0
0
0
1
1
C4
0
0
0
0
1
0
1
C3
0
0
0
1
0
0
1
C2
0
0
1
0
0
0
1
C1
0
1
0
0
0
0
1
Attenuation
Loss, Reference
0.5 dB
1.0 dB
2.0 dB
4.0 dB
8.0 dB
15.5 dB
Moisture Sensitivity
The MSL rating for this part is defined as Level 2
per IPC/JEDEC J-STD-020. Parts shall be stored
and/or baked as required for MSL Level 2 parts.
0 = TTL Low; 1 = TTL High
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAD-009170
Digital Attenuator, Constant Phase
15.5 dB, 5-Bit, TTL Driver, DC - 4.0 GHz
Typical Performance Curves
Reference Loss vs. Frequency
8.0
7.0
6.0
5.0
4.0
3.0
2.0
0.0
1.0
2.0
3.0
Frequency (GHz)
4.0
5.0
6.0
Rev. V2
Attenuation - 0.5 dB Bit vs. Frequency
0.7
Reference Loss (dB)
25ºC
Attenuation (dB)
85ºC
0.6
25ºC
85ºC
0.5
0.4
-40ºC
0.3
0.0
-40ºC
1.0
2.0
3.0
Frequency (GHz)
4.0
5.0
6.0
Attenuation - 1 dB Bit vs. Frequency
Attenuation - 2 dB Bit vs. Frequency
1.2
1.1
2.6
85ºC
-40ºC
Attenuation (dB)
2.4
Attenuation (dB)
85ºC
2.2
2.0
1.8
-40ºC
1.0
0.9
0.8
0.7
0.0
1.0
2.0
3.0
Frequency (GHz)
4.0
5.0
6.0
25ºC
25ºC
1.6
0.0
1.0
2.0
3.0
Frequency (GHz)
4.0
5.0
6.0
Attenuation - 4 dB Bit vs. Frequency
4.6
4.4
Attenuation - 8 dB Bit vs. Frequency
8.6
8.4
Attenuation (dB)
Attenuation (dB)
-40ºC
4.2
4.0
3.8
85ºC
-40ºC
8.2
8.0
7.8
7.6
0.0
1.0
2.0
3.0
Frequency (GHz)
4.0
5.0
6.0
25ºC
3.6
0.0
1.0
2.0
3.0
Frequency (GHz)
4.0
5.0
6.0
25ºC
85ºC
4
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
MAAD-009170
Digital Attenuator, Constant Phase
15.5 dB, 5-Bit, TTL Driver, DC - 4.0 GHz
Typical Performance Curves
Attenuation - 15.5 dB Attenuation vs. Frequency
Phase - 0.5 dB Bit vs. Frequency
Relative to Reference Loss State
3.0
Rev. V2
16.0
15.8
25ºC
85ºC
Phase (Degrees)
Attenuation (dB)
2.0
25ºC
-40ºC
15.6
15.4
15.2
1.0
0.0
-40ºC
15.0
0.0
1.0
2.0
3.0
Frequency (GHz)
4.0
5.0
6.0
-1.0
0.0
0.5
1.0
1.5
85ºC
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
Phase - 1 dB Bit vs. Frequency
Relative to Reference Loss State
3.0
Phase - 2 dB Bit vs. Frequency
Relative to Reference Loss State
4.0
3.0
Phase (Degrees)
25ºC
-40ºC
Phase (Degrees)
2.0
25ºC
-40ºC
2.0
1.0
0.0
-1.0
1.0
0.0
-1.0
0.0
0.5
1.0
1.5
85ºC
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
85ºC
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
-2.0
Frequency (GHz)
Phase - 4 dB Bit vs. Frequency
Relative to Reference Loss State
6.0
4.0
Phase - 8 dB Bit vs. Frequency
Relative to Reference Loss State
6.0
4.0
Phase (Degrees)
-40ºC
2.0
0.0
-2.0
Phase (Degrees)
25ºC
2.0
0.0
-2.0
-40ºC
25ºC
85ºC
-4.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
-4.0
0.0
0.5
1.0
1.5
85ºC
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
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